25578415148131 has 2 divisors, whose sum is σ = 25578415148132. Its totient is φ = 25578415148130.

The previous prime is 25578415148101. The next prime is 25578415148171. The reversal of 25578415148131 is 13184151487552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25578415148131 - 2⁷ = 25578415148003 is a prime.

It is a super-2 number, since 2×25578415148131² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25578415148101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12789207574065 + 12789207574066.

It is an arithmetic number, because the mean of its divisors is an integer number (12789207574066).

Almost surely, 2^{25578415148131} is an apocalyptic number.

25578415148131 is a deficient number, since it is larger than the sum of its proper divisors (1).

25578415148131 is an equidigital number, since it uses as much as digits as its factorization.

25578415148131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376000, while the sum is 55.

The spelling of 25578415148131 in words is "twenty-five trillion, five hundred seventy-eight billion, four hundred fifteen million, one hundred forty-eight thousand, one hundred thirty-one".